// MIT License

// Copyright (c) 2019 Erin Catto

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

#include "test.h"

class ShapeEditing : public Test
{
public:
    ShapeEditing()
    {
        {
            b2BodyDef bd;
            b2Body* ground = m_world->CreateBody(&bd);

            b2EdgeShape shape;
            shape.SetTwoSided(b2Vec2(-40.0f, 0.0f), b2Vec2(40.0f, 0.0f));
            ground->CreateFixture(&shape, 0.0f);
        }

        b2BodyDef bd;
        bd.type = b2_dynamicBody;
        bd.position.Set(0.0f, 10.0f);
        m_body = m_world->CreateBody(&bd);

        b2PolygonShape shape;
        shape.SetAsBox(4.0f, 4.0f, b2Vec2(0.0f, 0.0f), 0.0f);
        m_fixture1 = m_body->CreateFixture(&shape, 10.0f);

        m_fixture2 = NULL;

        m_sensor = false;
    }

    void Keyboard(int key) override
    {
        switch (key)
        {
        case GLFW_KEY_C:
            if (m_fixture2 == NULL)
            {
                b2CircleShape shape;
                shape.m_radius = 3.0f;
                shape.m_p.Set(0.5f, -4.0f);
                m_fixture2 = m_body->CreateFixture(&shape, 10.0f);
                m_body->SetAwake(true);
            }
            break;

        case GLFW_KEY_D:
            if (m_fixture2 != NULL)
            {
                m_body->DestroyFixture(m_fixture2);
                m_fixture2 = NULL;
                m_body->SetAwake(true);
            }
            break;

        case GLFW_KEY_S:
            if (m_fixture2 != NULL)
            {
                m_sensor = !m_sensor;
                m_fixture2->SetSensor(m_sensor);
            }
            break;
        }
    }

    void Step(Settings& settings) override
    {
        Test::Step(settings);
        DrawString(5, m_textLine, "Press: (c) create a shape, (d) destroy a shape.");

        DrawString(5, m_textLine, "sensor = %d", m_sensor);
    }

    static Test* Create() { return new ShapeEditing; }

    b2Body* m_body;
    b2Fixture* m_fixture1;
    b2Fixture* m_fixture2;
    bool m_sensor;
};

static int testIndex = RegisterTest("Examples", "Shape Editing", ShapeEditing::Create);
